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Tůmová B, Pereira HG.Tůmová B, et al. Among authors: pereira hg.Bull World Health Organ. 1968;38(3):415-20.Bull World Health Organ. 1968.PMID: 5302333Free PMC article.
Pereira HG, Rinaldi A, Nardelli L.Pereira HG, et al.Bull World Health Organ. 1967;37(4):553-8.Bull World Health Organ. 1967.PMID: 5301736Free PMC article.
Pereira HG, Lang G, Olesiuk OM, Snoeyenbos GH, Roberts DH, Easterday BC.Pereira HG, et al.Bull World Health Organ. 1966;35(5):799-802.Bull World Health Organ. 1966.PMID: 5297815Free PMC article.No abstract available.